Hopper: java.lang.ArrayIndexOutOfBoundsException: -1

java.lang.ArrayIndexOutOfBoundsException: -1
	at yx.a(SourceFile:442)
	at azw.a(SourceFile:188)
	at azw.a(SourceFile:168)
	at ban.a(SourceFile:30)
	at bat.a(SourceFile:47)

---- Minecraft Crash Report ----
// Would you like a cupcake?

Time: 07/09/13 04:02
Description: Rendering screen

java.lang.ArrayIndexOutOfBoundsException: -1
	at yx.a(SourceFile:442)
	at azw.a(SourceFile:188)
	at azw.a(SourceFile:168)
	at ban.a(SourceFile:30)
	at bat.a(SourceFile:47)
	at bho.b(SourceFile:720)
	at awb.V(SourceFile:713)
	at awb.e(SourceFile:642)
	at net.minecraft.client.main.Main.main(SourceFile:103)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at yx.a(SourceFile:442)
	at azw.a(SourceFile:188)
	at azw.a(SourceFile:168)
	at ban.a(SourceFile:30)
	at bat.a(SourceFile:47)

-- Screen render details --
Details:
	Screen name: bat
	Mouse location: Scaled: (363, 234). Absolute: (727, 237)
	Screen size: Scaled: (683, 353). Absolute: (1366, 705). Scale factor of 2

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bfn['CodeZone'/318963, l='MpServer', x=965.13, y=3.62, z=-592.30]]
	Chunk stats: MultiplayerChunkCache: 287, 287
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (966,4,-596), Chunk: (at 6,0,12 in 60,-38; contains blocks 960,0,-608 to 975,255,-593), Region: (1,-2; contains chunks 32,-64 to 63,-33, blocks 512,0,-1024 to 1023,255,-513)
	Level time: 202156 game time, 13000 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 2 total; [op['Experience Orb'/341817, l='MpServer', x=951.88, y=1.25, z=-605.72], bfn['CodeZone'/318963, l='MpServer', x=965.13, y=3.62, z=-592.30]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bfi.a(SourceFile:285)
	at awb.b(SourceFile:1813)
	at awb.e(SourceFile:651)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w36b
	Operating System: Windows 8 (x86) version 6.2
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 182377784 bytes (173 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 87 (4872 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 13w36b
	LWJGL: 2.9.0
	OpenGL: AMD Radeon HD 7640G GL version 4.2.11764 Compatibility Profile Context, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 47 (2632 bytes; 0 MB) allocated, 31 (1736 bytes; 0 MB) used